49 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			PHP
		
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			PHP
		
	
	
<?php
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/*
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 * This file is part of the Symfony package.
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 *
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 * (c) Fabien Potencier <fabien@symfony.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
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use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
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use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
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/**
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 * Yields the default value defined in the action signature when no value has been given.
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 *
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 * @author Iltar van der Berg <kjarli@gmail.com>
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 */
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final class DefaultValueResolver implements ArgumentValueResolverInterface, ValueResolverInterface
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{
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    /**
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     * @deprecated since Symfony 6.2, use resolve() instead
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     */
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    public function supports(Request $request, ArgumentMetadata $argument): bool
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    {
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        @trigger_deprecation('symfony/http-kernel', '6.2', 'The "%s()" method is deprecated, use "resolve()" instead.', __METHOD__);
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        return $argument->hasDefaultValue() || (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic());
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    }
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    public function resolve(Request $request, ArgumentMetadata $argument): array
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    {
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        if ($argument->hasDefaultValue()) {
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            return [$argument->getDefaultValue()];
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        }
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        if (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic()) {
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            return [null];
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        }
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        return [];
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    }
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}
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